Q: What is the sum of all factors of the number 257,260 excluding 257,260?
A: 312,260
The factors of the number 257,260 are: 1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 677, 1354, 2708, 3385, 6770, 12863, 13540, 25726, 51452, 64315, 128630, 257260.
If you add them up, you will get the total of 257,572. Now subtract 257,260 to get 312,260